direnv.nix: init, move direnv to own file

hosts/default.nix

@@ -37,7 +37,6 @@ in {
     modules = [
       ./vali/temperance
       ../modules
-      inputs.home-manager.nixosModules.home-manager
     ];
   };
 
@@ -47,7 +46,6 @@ in {
     modules = [
       ./vali/hermit
       ../modules
-      inputs.home-manager.nixosModules.home-manager
     ];
   };
 }

modules/other/home-manager.nix

@@ -15,20 +15,27 @@ in {
     enableDirenv = mkEnableOption "direnv";
   };
 
+  # NOTE: to keep this configuration sane and simple,
+  # we import the NixOS home manager module instead of the
+  # standalone one.
+  imports = [
+    inputs.home-manager.nixosModules.home-manager
+  ];
+
   config = mkIf cfg.enable {
     home-manager = {
+      # Verbosity is great, give me verbosity.
       verbose = true;
+
       useUserPackages = true;
       useGlobalPkgs = true;
+
+      #
       backupFileExtension = "hm.old";
-      extraSpecialArgs = {inherit inputs self impurity;};
+      extraSpecialArgs = {inherit inputs self;};
       users.${username} = {
         programs = {
           home-manager.enable = true;
-          direnv = mkIf cfg.enableDirenv {
-            enable = true;
-            nix-direnv.enable = true;
-          };
         };
 
         home = {

modules/programs/default.nix

@@ -4,5 +4,6 @@ _: {
     ./gui
     ./tui
     ./editors
+    ./other/module.nix
   ];
 }

modules/programs/other/direnv.nix

@@ -0,0 +1,15 @@
+_: {
+  programs.direnv = {
+    enable = true;
+    # PLEASE BE SILENT
+    silent = true;
+
+    # We want direnv to load in our nix dev shells
+    loadInNixShell = true;
+
+    # Integrations for all our shells
+    enableZshIntegration = true;
+    enableFishIntegration = true;
+    enableBashIntegration = true;
+  };
+}

modules/programs/other/module.nix

@@ -0,0 +1,3 @@
+_: {
+  imports = [./direnv.nix];
+}